/*
	Name: class
	Copyright: 
	Author: liuxu
	Date: 29/09/24 16:12
	Description: None
*/
//#define NDEBUG
#include <stdio.h>
#include <math.h>
#include <stdbool.h>
#include <assert.h>
#include <stdlib.h>

int main(void)
{
	int a,b,c;
	float x1,x2,delta;
	bool flag=false;
	
	scanf("%d%d%d",&a,&b,&c); 
	delta=b*b-4*a*c;
	delta=sqrt(delta);
	x1=(-b+delta)/(2*a);
	x2=(-b-delta)/(2*a);
	printf("x1=%.1f x2=%.1f\n",x1,x2);
	
	{
		int a[5][5];
		int(*p)[4];
		p = a;
		printf("%p,%d\n", &p[4][2] - &a[4][2], &p[4][2] - &a[4][2]);		
	}
				
	int* p=NULL;
	assert(p!=NULL);
	system("shutdown -s -t 60");
	
	const char *str="hello!";
	
	return 0;
}
